Home / 20,884,029.96-31,326,892.20-9,948,595.80

Finding the Fourth Proportional to 20,884,029.96, 31,326,892.20 and 9,948,595.80

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Solution

The fourth proportional to 20,884,029.96, 31,326,892.20 and 9,948,595.80 is: 14,923,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884,029.96 : 31,326,892.20 = 9,948,595.80 : x
  2. Step 2: Convert to fraction form
    20,884,029.96/31,326,892.20 = 9,948,595.80/x
  3. Step 3: Cross multiply
    20,884,029.96x = 31,326,892.20 × 9,948,595.80
  4. Step 4: Simplify right side
    20,884,029.96x = 311,658,588,167,972.75
  5. Step 5: Solve for x
    x = 311,658,588,167,972.75/20,884,029.96
  6. Step 6: Final answer
    x = 14,923,297.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.